:root {
  --bg: #06070f;
  --bg-soft: #0e1224;
  --card: rgba(17, 22, 45, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f4f7ff;
  --muted: #b7bfd9;
  --primary: #6f8cff;
  --secondary: #53e2c1;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--text);
  background: radial-gradient(1300px 700px at 10% 0%, #1b2451 0%, transparent 60%), var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(6, 7, 15, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
}

.brand-logo {
  width: clamp(56px, 8vw, 84px);
  height: auto;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(255, 110, 0, 0.35));
}

.brand-text {
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
}

.hero {
  padding: 6rem 0 4rem;
}

.chip {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  color: #d4dcff;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
}

h1 {
  margin: 1rem 0 0.8rem;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.15;
  max-width: 16ch;
}

.text-gradient {
  background: linear-gradient(120deg, #a4b7ff, #6f8cff, #53e2c1);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 0.8rem;
  padding: 0.8rem 1.1rem;
  border: 1px solid transparent;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary), #5f7bf6);
  color: #f6f8ff;
  box-shadow: 0 10px 24px rgba(90, 120, 255, 0.28);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-sm {
  padding: 0.55rem 0.9rem;
}

.hero-stats {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.hero-stats li {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 1rem;
  padding: 1rem;
  backdrop-filter: blur(8px);
}

.hero-stats strong {
  display: block;
  font-size: 1.2rem;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.93rem;
}

.section {
  padding: 3.6rem 0;
}

.section-head {
  margin-bottom: 1.4rem;
}

.section-head h2 {
  margin: 0.3rem 0 0;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
}

.eyebrow {
  margin: 0;
  color: #9ca9d5;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 0.8rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.2rem;
  background: var(--card);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 0.8rem;
}

.timeline-item {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

.timeline-item span {
  display: inline-block;
  color: #9bb0ff;
  font-weight: 700;
}

.timeline-item h3 {
  margin: 0.3rem 0;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
}

.culture-wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
}

.quote-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.3rem;
  background: var(--card);
  font-size: 1.15rem;
}

.quote-card p {
  margin-top: 0;
}

.quote-card span {
  color: var(--muted);
}

.check-list {
  margin: 0;
  padding: 1.1rem 1.2rem;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--card);
}

.check-list li {
  padding-left: 1.35rem;
  position: relative;
  color: var(--muted);
}

.check-list li + li {
  margin-top: 0.85rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary);
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.02);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-list p {
  color: var(--muted);
  margin: 0.7rem 0 0;
}

.cta-card {
  border: 1px solid rgba(164, 183, 255, 0.38);
  border-radius: 1.1rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(111, 140, 255, 0.24), rgba(83, 226, 193, 0.12));
}

.cta-card h2 {
  margin-top: 0;
}

.cta-card p {
  color: #e7ebff;
}

.footer {
  padding: 1.4rem 0 2.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  z-index: -2;
}

.orb-1 {
  width: 300px;
  height: 300px;
  background: rgba(111, 140, 255, 0.45);
  top: -70px;
  right: 8%;
}

.orb-2 {
  width: 260px;
  height: 260px;
  background: rgba(83, 226, 193, 0.3);
  bottom: 12%;
  left: -50px;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 88%);
  pointer-events: none;
  z-index: -3;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .culture-wrap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 1rem;
    left: 1rem;
    padding: 0.9rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: rgba(9, 11, 22, 0.94);
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    padding-top: 4.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}